212861810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 455030784

約数和(自身を除く): 242168974

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 233, 310, 421, 434, 466, 842, 1085, 1165, 1631, 2105, 2170, 2330, 2947, 3262, 4210, 5894, 7223, 8155, 13051, 14446, 14735, 16310, 26102, 29470, 36115, 50561, 65255, 72230, 91357, 98093, 101122, 130510, 182714, 196186, 252805, 456785, 490465, 505610, 686651, 913570, 980930, 1373302, 3040883, 3433255, 6081766, 6866510, 15204415, 21286181, 30408830, 42572362, 106430905, 212861810]

約数ペア:

[(1, 212861810), (2, 106430905), (5, 42572362), (7, 30408830), (10, 21286181), (14, 15204415), (31, 6866510), (35, 6081766), (62, 3433255), (70, 3040883), (155, 1373302), (217, 980930), (233, 913570), (310, 686651), (421, 505610), (434, 490465), (466, 456785), (842, 252805), (1085, 196186), (1165, 182714), (1631, 130510), (2105, 101122), (2170, 98093), (2330, 91357), (2947, 72230), (3262, 65255), (4210, 50561), (5894, 36115), (7223, 29470), (8155, 26102), (13051, 16310), (14446, 14735)]